"Nobody expected that soon after your dad returned to Imperial, he hit his head and not only did his amnesia immediately get better, but he also forgot everything that had happened during that period of amnesia. He forgot the life-saving grace of your mom, as well as that period of affection."
"Your dad was fine then. Your grandpa worried your mom might go back on her word, so he sent me to keep an eye on her, which is how he and I knew she was pregnant with you."
"Your grandpa once thought about coercing your mom into aborting you and then offering her a sum of money, but when he found out she had given you a different identity, he felt completely relieved."
"I had originally promised your grandpa to keep this secret forever, but my son unfortunately took the wrong path. Honestly speaking, even if you don't do as I ask, I wouldn't really expose your origins."